Free Online Developer Utilities & Converters.
The ultimate suite of client-side developer tools. Securely use our JSON Formatter, JWT Decoder, Base64 Converter, and Checksum Generators directly in your browser.
Explore Our Free Developer Utilities
21+ client-side, lightning-fast tools designed to speed up your daily development workflows.
JSON & Data Formatting
JSON Path Finder
Extract and filter complex JSON data using JSONPath expressions instantly.
JSON Unescape & Escape
Instantly unescape or escape JSON strings securely in your browser.
JSON Minifier & Compressor
Compress your JSON data to reduce payload size instantly.
GraphQL Query Formatter
Beautify and format GraphQL queries with a modern editor.
Data Converters
JSON to Excel Converter
Convert nested JSON objects to flat Excel/CSV files effortlessly.
Excel to JSON Converter
Transform spreadsheets into structured JSON data instantly.
PNG to Text (OCR)
Extract text from images (PNG, JPG) using high-performance online OCR.
Base64 ↔ PDF Converter
Convert between Base64 strings and PDF documents locally.
cURL to Axios & Fetch
Convert cURL commands to Axios, Fetch, Python, and more instantly.
TXT to CSV
Convert raw text files to clean CSV data with custom delimiters.
TSV to CSV
Convert Tab-Separated Values to standard CSV format effortlessly.
Diff & Compare Utilities
Security & Decoders
JWT Decoder & Parser
Decode and inspect JSON Web Tokens without sending data to a server.
MD5 & SHA256 Checksum Generator
Generate secure file and text hashes (MD5, SHA-1, SHA-256).
Unicode Text Converter
Convert text to Unicode escape sequences and vice-versa.
URI Encode & Decode
Safely encode or decode URL components for web development.
Smart Utilities
PPT Compressor
Reduce PowerPoint file size by optimizing images and internal structures.
PDF Stitcher & Merger
Securely combine multiple PDF files into a single document with drag-and-drop reordering.
Click Counter
Professional online tally counter for tracking numbers and taps.
Random QR Code & UUID Generator
Generate secure QR codes, professional barcodes, and cryptographically secure UUIDs instantly.
Why Choose Smart Formatter?
We built this platform to solve our own daily development frustrations. Secure, fast, and reliable tools.
100% Client-Side Processing
Your data is never sent to our servers. All parsing, formatting, and conversion happens entirely within your browser for maximum privacy and security.
Lightning Fast Performance
Built with modern web technologies to process massive JSON files, GraphQL queries, and generate checksums instantly with zero latency.
Always Free & Updated
A growing collection of essential developer utilities that remain free forever. No registration required, no hidden paywalls.
Frequently Asked Questions
Everything you need to know about the platform and how it handles your data.